首页|Producing circularly polarized luminescence by radiative energy transfer from achiral metal-organic cage to chiral organic molecules
Producing circularly polarized luminescence by radiative energy transfer from achiral metal-organic cage to chiral organic molecules
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The development of circularly polarized luminescence(CPL)materials with high performance is signifi-cantly important.Herein,we develop a facial strategy for fabricating a CPL-active system by employing an achiral luminescent metal-organic cage(MOC)and chiral boron dipyrromethene(BODIPY)molecules.CPL is achieved by taking advantage of the radiative energy transfer process,in which BODIPY molecules act as energy acceptors and MOCs act as donors.The CPL performance(maximum luminescence dissymme-try factor up to±1.5x10-3)can be tuned by adjusting the ratio between MOCs and BODIPY.White-light emission with the CPL feature is obtained by using a ternary system including MOC,chiral BODIPY,and Rhodamine B.The present work provides a facile and universal strategy to construct a CPL-active system by integrating achiral luminophores and chiral molecules.
Circularly polarized luminescenceMetal-organic cageRadiative energy transferChiral small moleculesBodipyChirality
Zhao-Xia Lian、Xue-Zhi Wang、Chuang-Wei Zhou、Jiayu Li、Ming-De Li、Xiao-Ping Zhou、Dan Li
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College of Chemistry and Materials Science,Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination,Materials and Applications,Jinan University,Guangzhou 510632,China
College of Chemistry and Chemical Engineering,Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province,Shantou University,Shantou 515063,China
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